CN204809408U - Multifrequency section restructural cell -phone antenna - Google Patents
Multifrequency section restructural cell -phone antenna Download PDFInfo
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- CN204809408U CN204809408U CN201520448519.6U CN201520448519U CN204809408U CN 204809408 U CN204809408 U CN 204809408U CN 201520448519 U CN201520448519 U CN 201520448519U CN 204809408 U CN204809408 U CN 204809408U
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Abstract
The utility model discloses a multifrequency section restructural cell -phone antenna. It includes base plate, antenna main part, RF switch, metal grounding plate, the base plate upper end is equipped with antenna main part, RF switch, metal grounding plate, the antenna main part includes impedance match enter transmission lines, U -shaped belt, T shape parallel bands, rectangle parallel bands, horizontal rectangle paster, vertical rectangular paster, U -shaped parallel bands, anti - L shape parallel bands, anti - L shape belt, the shape of falling L belt, and the RF switch comprises switch no. 1 and switch no. 2, an inductance job under the switch state, and two work of inductance under the switch two condition, the lower extreme of RF switch links to each other with metal grounding plate's upper end, the bottom end of the metal grounding plate is connected with the bottom end of the substrate. The utility model discloses the multiband, the restructural, the loss is low, and radiation characteristic is good, and is with low costs, and the size is little, easily preparation, it is integrated to be convenient for, is applicable to the LTEWWAN frequency channel.
Description
Technical field
The utility model relates to antenna, particularly relates to a kind of multiband reconfigurable mobile phone antenna.
Background technology
Antenna is the indispensable part of institute's wire/wireless communication system, carry the signal sent by transmitter and change into electromagnetic form with to spatial, or become high-frequency signal to receive for receiver the electromagnetic signal development of evil in febrile disease in free space, thus realize the spacing wave exchange process of radio communication.Along with the development of wireless communication technology, the continuous progress of hardware research and development condition, in order to realize the transmission of wireless signal better, higher requirement is it is also proposed in the performance of antenna, under the overall situation of current Wireless Telecom Equipment extensive use, the importance of antenna grows with each passing day especially, and the research of various antenna technology and the requirement of higher technical indicator make antenna technology welcome the major opportunity of another development.
Modern wireless communication equipment is required that size is little as far as possible, covers frequency range as much as possible to realize more function.But for mobile phone flush type antenna, in limited space, size arrives very large constraint very much, this is concerning a very large challenge beyond doubt antenna designers.A kind of method covering multiple frequency range uses reconfigurable antenna exactly.This technology has superiority in antenna weights, volume, performance very much, therefore also enjoys great popularity.Many switching techniques especially RF switch more and more receive the concern of antenna works teacher.
Summary of the invention
The utility model provides a kind of multiband reconfigurable mobile phone antenna, and technical scheme is as follows:
Multiband reconfigurable mobile phone antenna comprises substrate, antenna body, radio-frequency (RF) switch, metal ground plate, substrate upper end is provided with antenna body, radio-frequency (RF) switch, metal ground plate, antenna body comprises impedance matching input transmission line, U-shaped belt, T-shaped parallel band, rectangular parallel band, horizontal rectangular paster, vertical rectangle paster, U-shaped parallel band, backward L-shaped parallel band, backward L-shaped belt, inverted L-shaped belt, the upper end of impedance matching input transmission line is connected with the lower-left end of U-shaped belt is vertical, U-shaped belt is opening up, vertical with substrate, the left upper end of U-shaped belt is connected with the left upper end of T-shaped parallel band is vertical, T-shaped parallel band extends forward along the direction of metal ground plate, the left upper end of rectangular parallel band is connected with the lower end of T-shaped parallel band, the lower end of horizontal rectangular paster is connected with the upper end of radio-frequency (RF) switch, the upper end of horizontal rectangular paster is connected with the lower end of vertical rectangle paster is vertical, vertical rectangle paster upwards extends perpendicular to substrate, the left upper end of U-shaped parallel band is connected with the upper end of vertical rectangle paster is vertical, U-shaped parallel band extends forward along the direction of metal ground plate, the left end of backward L-shaped parallel band is connected with the bottom righthand side of U-shaped parallel band, the upper right side of backward L-shaped parallel band is connected with backward L-shaped belt is vertical, the left upper end of backward L-shaped belt is connected with the lower-left end of inverted L-shaped belt, radio-frequency (RF) switch is made up of switch one and switch two, under switch one state, inductance one works, under switch two-state, inductance two works, the lower end of radio-frequency (RF) switch is connected with the upper end of metal ground plate, the bottom of metal ground plate is connected with the bottom of substrate.
Described substrate is glass-epoxy material, and the length of substrate is 130mm ~ 140mm, and width is 60mm ~ 70mm, and thickness is 0.8mm ~ 1mm.The length of described antenna body middle impedance coupling input transmission line is 8mm ~ 9mm, and width is 2mm ~ 2.2mm.The total length of U-shaped belt is 30mm ~ 32mm, total height is 6mm ~ 6.5mm, patch width is 2mm ~ 2.2mm, the length of the horizontal rectangular patch of T-shaped parallel band is 15mm ~ 16mm, width is 1mm ~ 1.2mm, the length of longitudinal rectangular patch is 5.3mm ~ 5.8mm, width is 2mm ~ 2.2mm, the length of rectangular parallel band is 13mm ~ 14mm, width is 1mm ~ 1.2mm, the length of horizontal rectangular paster is 8mm ~ 9mm, width is 2mm ~ 2.2mm, the height of vertical rectangle paster is 6mm ~ 6.5mm, width is 2mm ~ 2.2mm, the total length of U-shaped parallel band is 42mm ~ 44mm, overall width is 10mm ~ 11mm, patch width is 2mm ~ 2.2mm, the total length of backward L-shaped parallel band is 16mm ~ 17mm, overall width is 10mm ~ 12mm, patch width is 2mm ~ 2.2mm, the total length of backward L-shaped belt is 14mm ~ 15mm, total height is 6mm ~ 6.5mm, patch width is 2mm ~ 2.2mm, the total length of inverted L-shaped belt is 4mm ~ 4.5mm, total height is 4mm ~ 4.5mm, patch width is 2mm ~ 2.2mm.In described radio-frequency (RF) switch, the inductance value of inductance one is 9nH ~ 9.2nH, and the inductance value of inductance two is 50nH ~ 51nH.The length of described metal ground plate is 120mm ~ 130mm, and width is 60mm ~ 70mm.
The utility model multiband, restructural, loss is low, and radiation characteristic is good, and cost is low, and size is little, is easy to make, and is convenient to integrated.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of multiband reconfigurable mobile phone antenna;
Fig. 2 is the antenna body structure chart of multiband reconfigurable mobile phone antenna;
Fig. 3 is the return loss plot of multiband reconfigurable mobile phone antenna;
Fig. 4 is the xy face of antenna under switch one state during 0.85GHz, xz face, yz surface radiation directional diagram;
Fig. 5 is the xy face of antenna under switch one state during 1.86GHz, xz face, yz surface radiation directional diagram;
Fig. 6 is the xy face of antenna under switch two-state during 0.74GHz, xz face, yz surface radiation directional diagram;
Fig. 7 is the xy face of antenna under switch one state during 1.43GHz, xz face, yz surface radiation directional diagram
Fig. 8 is the xy face of antenna under switch two-state during 1.91GHz, xz face, yz surface radiation directional diagram;
Fig. 9 is the xy face of antenna under switch two-state during 2.47GHz, xz face, yz surface radiation directional diagram.
Embodiment
As shown in Fig. 1 ~ 2, multiband reconfigurable mobile phone antenna comprises substrate 1, antenna body 2, radio-frequency (RF) switch 3, metal ground plate 4, substrate 1 upper end is provided with antenna body 2, radio-frequency (RF) switch 3, metal ground plate 4, antenna body 2 comprises impedance matching input transmission line 5, U-shaped belt 6, T-shaped parallel band 7, rectangular parallel band 8, horizontal rectangular paster 9, vertical rectangle paster 10, U-shaped parallel band 11, backward L-shaped parallel band 12, backward L-shaped belt 13, inverted L-shaped belt 14, the upper end of impedance matching input transmission line 5 is connected with the lower-left end of U-shaped belt 6 is vertical, U-shaped belt 6 is opening up, vertical with substrate 1, the left upper end of U-shaped belt 6 is connected with the left upper end of T-shaped parallel band 7 is vertical, T-shaped parallel band 7 extends forward along the direction of metal ground plate 4, the left upper end of rectangular parallel band 8 is connected with the lower end of T-shaped parallel band 7, the lower end of horizontal rectangular paster 9 is connected with the upper end of radio-frequency (RF) switch 3, the upper end of horizontal rectangular paster 9 is connected with the lower end of vertical rectangle paster 10 is vertical, vertical rectangle paster 10 upwards extends perpendicular to substrate 1, the left upper end of U-shaped parallel band 11 is connected with the upper end of vertical rectangle paster 10 is vertical, U-shaped parallel band 11 extends forward along the direction of metal ground plate 4, the left end of backward L-shaped parallel band 12 is connected with the bottom righthand side of U-shaped parallel band 11, the upper right side of backward L-shaped parallel band 12 is connected with backward L-shaped belt 13 is vertical, the left upper end of backward L-shaped belt 13 is connected with the lower-left end of inverted L-shaped belt 14, radio-frequency (RF) switch 3 is made up of switch one and switch two, under switch one state, inductance one works, under switch two-state, inductance two works, the lower end of radio-frequency (RF) switch 3 is connected with the upper end of metal ground plate 4, the bottom of metal ground plate 4 is connected with the bottom of substrate 1.
Described substrate 1 is glass-epoxy material, and the length of substrate 1 is 130mm ~ 140mm, and width is 60mm ~ 70mm, and thickness is 0.8mm ~ 1mm.The length of described antenna body 2 middle impedance coupling input transmission line 5 is 8mm ~ 9mm, and width is 2mm ~ 2.2mm.The total length of U-shaped belt 6 is 30mm ~ 32mm, total height is 6mm ~ 6.5mm, patch width is 2mm ~ 2.2mm, the length of the horizontal rectangular patch of T-shaped parallel band 7 is 15mm ~ 16mm, width is 1mm ~ 1.2mm, the length of longitudinal rectangular patch is 5.3mm ~ 5.8mm, width is 2mm ~ 2.2mm, the length of rectangular parallel band 8 is 13mm ~ 14mm, width is 1mm ~ 1.2mm, the length of horizontal rectangular paster 9 is 8mm ~ 9mm, width is 2mm ~ 2.2mm, the height of vertical rectangle paster 10 is 6mm ~ 6.5mm, width is 2mm ~ 2.2mm, the total length of U-shaped parallel band 11 is 42mm ~ 44mm, overall width is 10mm ~ 11mm, patch width is 2mm ~ 2.2mm, the total length of backward L-shaped parallel band 12 is 16mm ~ 17mm, overall width is 10mm ~ 12mm, patch width is 2mm ~ 2.2mm, the total length of backward L-shaped belt 13 is 14mm ~ 15mm, total height is 6mm ~ 6.5mm, patch width is 2mm ~ 2.2mm, the total length of inverted L-shaped belt 14 is 4mm ~ 4.5mm, total height is 4mm ~ 4.5mm, patch width is 2mm ~ 2.2mm.In described radio-frequency (RF) switch 3, the inductance value of inductance one is 9nH ~ 9.2nH, and the inductance value of inductance two is 50nH ~ 51nH.The length of described metal ground plate 4 is 120mm ~ 130mm, and width is 60mm ~ 70mm.
Embodiment 1
Multiband reconfigurable mobile phone antenna:
Substrate is the glass-epoxy material of dielectric constant 4.4, and the length of substrate is 130mm, and width is 60mm, and thickness is 0.8mm.The length of antenna body middle impedance coupling input transmission line is 8mm, and width is 2mm.The total length of U-shaped belt is 30mm, total height is 6mm, patch width is 2mm, the length of the horizontal rectangular patch of T-shaped parallel band is 15mm, width is 1mm, the length of longitudinal rectangular patch is 5.3mm, width is 2mm, the length of rectangular parallel band is 13mm, width is 1mm, the length of horizontal rectangular paster is 8mm, width is 2mm, the height of vertical rectangle paster is 6mm, width is 2mm, the total length of U-shaped parallel band is 42mm, overall width is 10mm, patch width is 2mm, the total length of backward L-shaped parallel band is 16mm, overall width is 10mm, patch width is 2mm, the total length of backward L-shaped belt is 14mm, total height is 6mm, patch width is 2mm, the total length of inverted L-shaped belt is 4mm, total height is 4mm, patch width is 2mm.In radio-frequency (RF) switch, the inductance value of inductance one is 9nH, and the inductance value of inductance two is 50nH.The length of metal ground plate is 120mm, and width is 60mm.The property indices of multiband reconfigurable mobile phone antenna adopts HFSS software to emulate, and the return loss plot of gained as shown in Figure 3.As seen from the figure, the working frequency range of below-6dB is 0.69GHz ~ 0.985GHz, 1.395GHz ~ 1.475GHz, 1.69GHz ~ 2.17GHz, 2.417GHz ~ 2.56GHz.Figure 4 shows that antenna on off state once 0.85GHz time xy face, xz face, yz surface radiation directional diagram, as seen from the figure, when frequency is 0.85GHz, gain is 1.846dBi.Figure 5 shows that antenna on off state once 1.86GHz time xy face, xz face, yz surface radiation directional diagram, as seen from the figure, when frequency is 1.86GHz, gain is 2.37dBi.Figure 6 shows that the xy face of antenna when on off state two times 0.74GHz, xz face, yz surface radiation directional diagram, as seen from the figure, when frequency is 0.74GHz, gain is 1.769dBi.Figure 7 shows that the xy face of antenna when on off state two times 1.43GHz, xz face, yz surface radiation directional diagram, as seen from the figure, when frequency is 1.43GHz, gain is 2.46dBi.Figure 8 shows that the xy face of antenna when on off state two times 1.91GHz, xz face, yz surface radiation directional diagram, as seen from the figure, when frequency is 1.91GHz, gain is 2.558dBi.Figure 9 shows that the xy face of antenna when on off state two times 2.47GHz, xz face, yz surface radiation directional diagram, as seen from the figure, when frequency is 2.47GHz, gain is 4.25dBi.
Claims (5)
1. a multiband reconfigurable mobile phone antenna, is characterized in that comprising substrate (1), antenna body (2), radio-frequency (RF) switch (3), metal ground plate (4), substrate (1) upper end is provided with antenna body (2), radio-frequency (RF) switch (3), metal ground plate (4), antenna body (2) comprises impedance matching input transmission line (5), U-shaped belt (6), T-shaped parallel band (7), rectangular parallel band (8), horizontal rectangular paster (9), vertical rectangle paster (10), U-shaped parallel band (11), backward L-shaped parallel band (12), backward L-shaped belt (13), inverted L-shaped belt (14), the upper end of impedance matching input transmission line (5) is connected with the lower-left end of U-shaped belt (6) is vertical, U-shaped belt (6) is opening up, vertical with substrate (1), the left upper end of U-shaped belt (6) is connected with the left upper end of T-shaped parallel band (7) is vertical, T-shaped parallel band (7) extends forward along the direction of metal ground plate (4), the left upper end of rectangular parallel band (8) is connected with the lower end of T-shaped parallel band (7), the lower end of horizontal rectangular paster (9) is connected with the upper end of radio-frequency (RF) switch (3), the upper end of horizontal rectangular paster (9) is connected with the lower end of vertical rectangle paster (10) is vertical, vertical rectangle paster (10) upwards extends perpendicular to substrate (1), the left upper end of U-shaped parallel band (11) is connected with the upper end of vertical rectangle paster (10) is vertical, U-shaped parallel band (11) extends forward along the direction of metal ground plate (4), the left end of backward L-shaped parallel band (12) is connected with the bottom righthand side of U-shaped parallel band (11), the upper right side of backward L-shaped parallel band (12) is connected with backward L-shaped belt (13) is vertical, the left upper end of backward L-shaped belt (13) is connected with the lower-left end of inverted L-shaped belt (14), radio-frequency (RF) switch (3) is made up of switch one and switch two, under switch one state, inductance one works, under switch two-state, inductance two works, the lower end of radio-frequency (RF) switch (3) is connected with the upper end of metal ground plate (4), the bottom of metal ground plate (4) is connected with the bottom of substrate (1).
2. a kind of multiband reconfigurable mobile phone antenna as claimed in claim 1, it is characterized in that described substrate (1) is glass-epoxy material, the length of substrate (1) is 130mm ~ 140mm, and width is 60mm ~ 70mm, and thickness is 0.8mm ~ 1mm.
3. a kind of multiband reconfigurable mobile phone antenna as claimed in claim 1, it is characterized in that described antenna body (2) middle impedance mates the length inputting transmission line (5) is 8mm ~ 9mm, width is 2mm ~ 2.2mm, the total length of U-shaped belt (6) is 30mm ~ 32mm, total height is 6mm ~ 6.5mm, patch width is 2mm ~ 2.2mm, the length of T-shaped parallel band (7) horizontal rectangular patch is 15mm ~ 16mm, width is 1mm ~ 1.2mm, the length of longitudinal rectangular patch is 5.3mm ~ 5.8mm, width is 2mm ~ 2.2mm, the length of rectangular parallel band (8) is 13mm ~ 14mm, width is 1mm ~ 1.2mm, the length of horizontal rectangular paster (9) is 8mm ~ 9mm, width is 2mm ~ 2.2mm, the height of vertical rectangle paster (10) is 6mm ~ 6.5mm, width is 2mm ~ 2.2mm, the total length of U-shaped parallel band (11) is 42mm ~ 44mm, overall width is 10mm ~ 11mm, patch width is 2mm ~ 2.2mm, the total length of backward L-shaped parallel band (12) is 16mm ~ 17mm, overall width is 10mm ~ 12mm, patch width is 2mm ~ 2.2mm, the total length of backward L-shaped belt (13) is 14mm ~ 15mm, total height is 6mm ~ 6.5mm, patch width is 2mm ~ 2.2mm, the total length of inverted L-shaped belt (14) is 4mm ~ 4.5mm, total height is 4mm ~ 4.5mm, patch width is 2mm ~ 2.2mm.
4. a kind of multiband reconfigurable mobile phone antenna as claimed in claim 1, it is characterized in that the inductance value of inductance one in described radio-frequency (RF) switch (3) is 9nH ~ 9.2nH, the inductance value of inductance two is 50nH ~ 51nH.
5. a kind of multiband reconfigurable mobile phone antenna as claimed in claim 1, it is characterized in that the length of described metal ground plate (4) is 120mm ~ 130mm, width is 60mm ~ 70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520448519.6U CN204809408U (en) | 2015-06-23 | 2015-06-23 | Multifrequency section restructural cell -phone antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520448519.6U CN204809408U (en) | 2015-06-23 | 2015-06-23 | Multifrequency section restructural cell -phone antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204809408U true CN204809408U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520448519.6U Expired - Fee Related CN204809408U (en) | 2015-06-23 | 2015-06-23 | Multifrequency section restructural cell -phone antenna |
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| Country | Link |
|---|---|
| CN (1) | CN204809408U (en) |
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2015
- 2015-06-23 CN CN201520448519.6U patent/CN204809408U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160623 |
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| CF01 | Termination of patent right due to non-payment of annual fee |